Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ 89 - 2 x = 2 x - 23 $$
Right answer summary: 28
Question state: todo
Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: $$ 89 - 2 x = 2 x - 23 $$
Right answer summary: 28
Question state: todo